#include <iostream.h>
#include "string.h"

string string::operator +(string sir)
{char *p;
p=new char[strlen(s)+strlen(sir.s)];
strcpy(p,s);
strcat(p,sir.s);
return p;
}

string string::operator =+(string sir,string sir1)
{char *p;
p=new char[strlen(sir.s)+strlen(sir1.s)];
strcpy(p,s);
strcat(sir.s,sir1.s);
return p;
}